Epoc
Symbian 开发的一种嵌入式操作系统，主要用于手机和PDA
🗣️ 情景例句
Very few people last in this class for the full hour the very first time.
很少人能够第一次撑完一个小时的课。
The whole carton is packed with double straps, each corner of the carton consolidated with metal angles.
纸箱外加了两道箍，每个箱角都用金属角加固。
There go the house lights.
剧院的灯光灭了。